Supported by the National Natural Science Foundation of China(No. 20272002).
The mass spectrometric fragmentation of 1,8-bis [ 4-substituted (oxazolin-2-yl) ] anthracenes (AnBOXes) was investigated by using mass-analyzed ion kinetic energy spectrometry under electron-impact ionization cond...
The reactions of 2,3-dihydro-1,5-benzothiazepines with ethoxyearbonylcarbene undergo complex rearrangements to produce rlng-opening and ring contraction products. Previously it was presumed that the different products...